condition	mean	min	max
4 h after light	5.487255	4.96269	6.01182
8 h after light	5.55273	5.07543	6.03003
12 h after light	3.492045	2.78497	4.19912
4 h after dark	2.70324	2.26057	3.14591
8 h after dark	3.4646749999999997	3.15301	3.77634
12 h after dark	4.321054999999999	3.92328	4.71883